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听力等级

科学研究   

2022-10-25   Intermediate
To Bee or Not to Bee -Ⅰ

Keywords:

Berenbaum: Honeybees, everybody thinks eats honey and pollen, but in reality they feed their grub something called bee bread, which is a mixture of honey and pollen packed into cells, and it cures or ...

Berenbaum:大家都认为蜜蜂吃蜂蜜和花粉,但实际上它们用一种叫做蜜蜂面包的东西来喂养它们的蛴螬,这种蜂蜜和花粉的混合物被包装在细胞中,它可以治愈或老化。 令人怀疑的是,也许这些共生微生物中的一些正在促成蜂面包的加工。 因此,在 Ree...


2022-10-25   Video
Apple-Sized Stars, a Potato-Shaped Earth and the Force

Keywords:

We've made ourselves pretty comfortable here in this Universe with its laws of physics. What if the laws of physics were a little bit, or maybe even a lot, different? I'm Jared Kaplan and this ...

我们造就了自己相当舒适在这个宇宙中及其物理定律。 如果物理学有点,甚至可能有很多不同?我是 Jared Kaplan 和这位是“宇宙有成为现在的样子?我们只见过一个宇宙,我们自己的,我们不知道是什么其他种类的 Universe可能存在,或者...


2022-10-23   Intermediate
The Talk About Bees and What's Ailing Them -Ⅱ

Keywords:

It was called Israeli Acute Paralysis Virus. it's only been known since 2004; it was described in Israel. But it wasn't quite right. It's called Paralysis Virus because the bees are paralyzed, but the...

它被称为以色列急性麻痹病毒。 直到 2004 年才为人所知;它在以色列被描述。 但这并不完全正确。 它被称为麻痹病毒,因为蜜蜂瘫痪了,但这些蜜蜂并没有瘫痪——它们消失了,它们消失了。 但在 83% 的受影响菌落中发现了它。 然而,生物学家走...


2022-10-21   Intermediate
The Talk About Bees and What's Ailing Them -Ⅰ

Keywords:

Berenbaum: The organizer[s] asked if I would talk about an entomological mystery and how entomologists and other scientists go around solving mysteries; and specifically this mysterious disappearance ...

Berenbaum:组织者问我是否愿意谈谈昆虫学之谜,以及昆虫学家和其他科学家如何解开谜团;具体来说,蜜蜂的神秘消失:所有的蜜蜂都去哪儿了,为什么我们需要找到它们?嗯,我想,谜团的第一部分是哪些蜜蜂失踪了。 很多人在说“蜜蜂”时没有意识到北...


2022-10-21   Video
White Dwarfs & Black Dwarfs

Keywords:

Humans can survive in this universe as long as we have an energy source. Unfortunately, the universe will die. It will happen slowly, over many billions of years, but it will happen. On a univer...

只要我们有能源,人类就可以在这个宇宙中生存。 不幸的是,宇宙会死去。 它会慢慢发生,经过数十亿年,但它会发生。 在世界时间尺度上,像我们太阳这样的恒星很快就会消失。 幸运的是,从人类的角度来看,有些地方几乎会永远存在:死星的尸体。 。 。 ...


2022-10-19   Intermediate
About Neandertals and the Celiac Disease

Keywords:

Steve: And we've also discovered, because we now have some actual NeandertalDNA to work with, that they did have this particular gene, FOXP2 gene, that is correlated with our ability to speak, not tha...

Steve:我们还发现,因为我们现在有一些实际的尼安德特人 DNA 可以研究,他们确实有这个特定的基因,FOXP2 基因,这与我们的说话能力有关,并不是说我现在是一个很好的例子。 但是没有这个的物种——几乎是其他所有人——无法真正表达出来。...


2022-10-17   Intermediate
Swimming In Spacetime and Other Stories

Keywords:

Steve: And I'm here with Mariette DiChristina and you can see a lovely photograph of her in the Letter from the Editor column. The August issue has some fascinating stuff including the cover piece on ...

Steve:我和 Mariette DiChristina 一起在这里,你可以在“编辑来信”专栏中看到她的可爱照片。 8 月刊有一些有趣的内容,包括关于尼安德特人的封面文章,那篇文章的作者 Kate Wong 就在这里,我们稍后会讨论。 我...


2022-10-17   Video
The Big Bang, Zebras and the Texture of Our Universe

Keywords:

How would you describe the Universe-- infinite, eternal? How about smooth versus bumpy? In other words, why isn't all of the matter in our Universe clumped together in one big ball, or convers...

您会如何描述宇宙——无限,永恒?平滑与崎岖不平呢?换句话说,为什么不是全部我们宇宙中的物质聚集在一起在一个大球中,或者反过来说,为什么不是完美、均匀分布?的质地我们的 Cosmos 揭示关于如何操作的线索宇宙形成以及发生的瞬间在大爆炸之后。...


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